J74 Progressive is a sophisticated Max for Live tool for chord progression making and harmonic editing. It is capable of producing extremely realistic chord progressions and arpeggios directly as MIDI clips and provides useful tools for scale and chord detection as well as MIDI clip harmonization.

The package includes:

The Chord Progression Editor, which works by modeling composition techniques (e.g. diatonic method) and performance styles (arpeggio, humanized timing and dynamics) and allows you to build realistic chord progressions and arpeggios.

The Modifier a tool which can harmonize (transpose by scale) and humanize (add dynamics in velocity and timing to) an existing MIDI clip (or selection).

The MIDI Analyzer, a tool for detecting scale or chords in MIDI clips.

The Audio Analyzer, a tool for detecting scale or chords in audio feeds.